diff --git a/pkgs/additional/linux-sane-pinephonepro/default.nix b/pkgs/additional/linux-sane-pinephonepro/default.nix
index 5300abef0..ec6a33afd 100644
--- a/pkgs/additional/linux-sane-pinephonepro/default.nix
+++ b/pkgs/additional/linux-sane-pinephonepro/default.nix
@@ -85,6 +85,7 @@ linux_latest.override {
         # TODO: at least one of these is actually required for boot.
         IO_STRICT_DEVMEM = no;
         PRINTK_INDEX = lib.mkForce no;
+        # TODO: is this safe to drop?
         RUNTIME_TESTING_MENU = lib.mkForce yes;
 
         # TODO: at least one of these is actually required for boot.